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[求助]
请材料科学方面英语麻利的大虫给看一下我的摘要翻译对不对，在线等待建议，谢谢。
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开学了，也终于等来了文章的修改意见。请英语麻利的大虫给看一下我的摘要翻译对不对，在线等待建议，谢谢。 锶掺杂二氧化钛介孔材料的固相合成及其光降解邻硝基苯酚 摘要：采用固相法合成了锶掺杂二氧化钛（Sr-TiO2）介孔材料。采用XRD、TEM、UV-Vis、BET、Raman等分析技术对材料进行表征，考察了材料对邻硝基苯酚的光催化活性。结果表明，Sr-TiO2材料为锐钛矿相，BET比表面积为160.9 m2/g，孔径分布中心为7.2 nm。锶的掺杂使TiO2晶体结构产生微小畸变，吸收带边发生红移；在紫外光照射下，Sr-TiO2对邻硝基苯酚的催化降解性能比纯TiO2有明显提高， 2h内光催化降解率达到98.2%。在邻硝基苯酚初始浓度为30mg/L，催化剂最佳投加量为1.2 g/L，此时光催化效率最高。 翻译： Synthesis of Strontium-doped Titania Material via Solid State Reaction and their Photodegradation Properties of O-nitrophenol Abstract: A mesoporous materials of strontium-doped Titania (Sr-TiO2) was synthesized by the solid-phase method. The materials were characterized by XRD, TEM, UV-Vis, BET, Raman and other analytical techniques, the photocatalytic activity was evaluated by measuring the photodegradation of O-nitrophenol solution under UV irradiation. The results showed that the crystal lattice of Sr-TiO2 was anatase phase, BET surface area was 160.9 m2/g, and pore size distribution center was 7.2 nm. because of Strontium doping，there was small distortion in the TiO2 crystal structure, and was red-shifted on absorption band; The photodegradation experiment indicated that the photocatalytic activity of Sr-TiO2 improved performance than pure TiO2, the photodegradation reached 98.2% in 2 hours. Under UV irradiation, when the initial concentration Of O-nitrophenol solution was 30 mg/L and catalyst amount was 1.2g/L, the photocatalytic efficiency reached the maximum. [ Last edited by wulindong on 2012-3-11 at 18:44 ] |
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wulindong(金币+10, 翻译EPI+1): ★★★很有帮助, 很有帮助 2012-03-11 18:52:23
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The photodegradation experiment indicated that the photocatalytic activity of Sr-TiO2 improved performance than pure TiO2 建议改为： The photodegradation experiment indicated that the photocatalytic activity performance of Sr-TiO2 was improved obviously compared with pure TiO2 |
2楼2012-03-11 18:48:58
3楼2012-03-12 13:20:50
